Qiu Guixing (R), academician of Chinese Academy of Engineering and chief physician of orthopedics department, and his wife Lin Shouqing, chief physician of gynaecology and obstetrics department, pose for a photo at their work place of the Peking Union Medical College Hospital in Beijing, capital of China, Aug. 12, 2019. China has about 3.6 million qualified physicians and 4.1 million registered nurses. They have formed a strong force to support the most significant medical service system in the world of safeguarding the health of 1.4 billion people in the country. A collection of heartwarming moments in 2019 by Xinhua photographers. (Xinhua/Zhang Yuwei)